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    "story_id": "mp-2026-07-20-019",
    "source_story_id": "tmp-sidebar-california-ebike-injuries",
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    "headline": "California E-Bike Injuries Rose Sharply",
    "slug": "california-e-bike-injuries-rose-sharply",
    "dek": "A statewide UC San Diego analysis reports increasing injury severity, with children a particular concern.",
    "summary": "A statewide UC San Diego analysis reports increasing injury severity, with children a particular concern.",
    "body_text": "The newly released analysis tracks an exponential rise in California e-bike injuries and flags worsening severity among younger riders. The institutional summary supports a safety signal, but it does not by itself establish which design, road, behavior, or enforcement factor caused the increase.",
    "why_it_matters": "A statewide UC San Diego analysis reports increasing injury severity, with children a particular concern.",
    "limitations": [
      "The institutional summary supports a safety signal, but it does not by itself establish which design, road, behavior, or enforcement factor caused the increase."
    ],
    "importance": 6,
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    "first_published_at": "2026-07-20T09:00:00.000-04:00",
    "modified_at": "2026-07-20T09:00:00.000-04:00",
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        "text": "A statewide UC San Diego analysis reports increasing injury severity, with children a particular concern.",
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        "qualification": "The institutional summary supports a safety signal, but it does not by itself establish which design, road, behavior, or enforcement factor caused the increase."
      }
    ],
    "source_ids": [
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    "tags": [
      "e-bikes",
      "injury surveillance",
      "California"
    ],
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    "corrections": []
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  "sources": [
    {
      "source_id": "source-2026-07-20-021",
      "title": "UC San Diego via Newswise: California e-bike injuries",
      "publisher": "UC San Diego via Newswise",
      "url": "https://www.newswise.com/articles/uc-san-diego-study-finds-an-exponential-increase-in-e-bike-injuries-in-california",
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      "source_type": "secondary_reporting",
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      "published_at": null,
      "accessed_at": "2026-07-20T08:34:13.079-04:00",
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  "corrections": [],
  "publisher": {
    "name": "The Machine Press",
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    "description": "A daily newspaper for the age of artificial intelligence."
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  "cite_this_report": {
    "title": "California E-Bike Injuries Rose Sharply",
    "publisher": "The Machine Press",
    "published_at": "2026-07-20T09:00:00.000-04:00",
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